GEOM -Congruence/Symmetry/Transformations

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is congruence in geometry?
Back
Congruence in geometry means that two figures have the same shape and size. If two shapes are congruent, they can be made to coincide by rotation, reflection, or translation.
Tags
CCSS.8.G.A.2
2.
FLASHCARD QUESTION
Front
Define symmetry in geometry.
Back
Symmetry in geometry refers to a balance or correspondence between two halves of a shape. A shape is symmetric if it can be divided into two identical parts that are mirror images of each other.
Tags
CCSS.4.G.A.3
3.
FLASHCARD QUESTION
Front
What is a transformation in geometry?
Back
A transformation in geometry is an operation that moves or changes a shape in some way to produce a new shape. Common transformations include translations, rotations, reflections, and dilations.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
4.
FLASHCARD QUESTION
Front
Describe a translation transformation.
Back
A translation transformation moves every point of a shape the same distance in a specified direction. For example, the transformation (x, y) -> (x+3, y) translates a shape 3 units to the right.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
5.
FLASHCARD QUESTION
Front
What is a rotation in geometry?
Back
A rotation in geometry is a transformation that turns a shape around a fixed point, known as the center of rotation, by a certain angle.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
6.
FLASHCARD QUESTION
Front
What is the angle of rotation?
Back
The angle of rotation is the measure of the degree to which a shape is rotated around a fixed point. It is usually measured in degrees.
Tags
CCSS.8.G.A.3
CCSS.HSG.CO.A.5
7.
FLASHCARD QUESTION
Front
What is line symmetry?
Back
Line symmetry, or reflectional symmetry, occurs when a shape can be divided into two identical halves that are mirror images of each other along a line.
Tags
CCSS.4.G.A.3
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